8 |
|
*/ |
9 |
|
|
10 |
|
#define _USE_MATH_DEFINES |
11 |
– |
#include <stdio.h> |
11 |
|
#include <stdlib.h> |
13 |
– |
#include <string.h> |
12 |
|
#include <math.h> |
13 |
+ |
#include <ctype.h> |
14 |
|
#include "random.h" |
15 |
|
#include "platform.h" |
16 |
|
#include "paths.h" |
22 |
|
enum {CIE_X, CIE_Y, CIE_Z}; |
23 |
|
/* assumed maximum # Klems patches */ |
24 |
|
#define MAXPATCHES 145 |
26 |
– |
/* global argv[0] */ |
27 |
– |
char *progname; |
25 |
|
/* selected basis function name */ |
26 |
|
static const char klems_full[] = "LBNL/Klems Full"; |
27 |
|
static const char klems_half[] = "LBNL/Klems Half"; |
194 |
|
for (n = npsamps; n-- > 0; ) { |
195 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
196 |
|
fi_getvec(vin, i+urand(n), abp); |
197 |
< |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
197 |
> |
ec = SDevalBSDF(&sdv, vin, vout, &bsd); |
198 |
|
if (ec != SDEnone) |
199 |
|
goto err; |
200 |
|
sum += sdv.cieY; |
243 |
|
for (n = npsamps; n-- > 0; ) { |
244 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
245 |
|
bi_getvec(vin, i+urand(n), abp); |
246 |
< |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
246 |
> |
ec = SDevalBSDF(&sdv, vin, vout, &bsd); |
247 |
|
if (ec != SDEnone) |
248 |
|
goto err; |
249 |
|
sum += sdv.cieY; |
275 |
|
} |
276 |
|
} |
277 |
|
/* front transmission */ |
278 |
< |
if (bsd.tf != NULL || bsd.tLamb.cieY > .002) { |
278 |
> |
if (bsd.tf != NULL || bsd.tLambFront.cieY > .002) { |
279 |
|
input_orient = 1; output_orient = -1; |
280 |
|
cfp[CIE_Y] = open_component_file(CIE_Y); |
281 |
|
if (bsd.tf != NULL && bsd.tf->comp[0].cspec[2].flags) { |
291 |
|
for (n = npsamps; n-- > 0; ) { |
292 |
|
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
293 |
|
fi_getvec(vin, i+urand(n), abp); |
294 |
< |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
294 |
> |
ec = SDevalBSDF(&sdv, vin, vout, &bsd); |
295 |
|
if (ec != SDEnone) |
296 |
|
goto err; |
297 |
|
sum += sdv.cieY; |
340 |
|
for (n = npsamps; n-- > 0; ) { |
341 |
|
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
342 |
|
bi_getvec(vin, i+urand(n), abp); |
343 |
< |
ec = SDevalBSDF(&sdv, vout, vin, &bsd); |
343 |
> |
ec = SDevalBSDF(&sdv, vin, vout, &bsd); |
344 |
|
if (ec != SDEnone) |
345 |
|
goto err; |
346 |
|
sum += sdv.cieY; |
428 |
|
static void |
429 |
|
eval_rbf(void) |
430 |
|
{ |
431 |
< |
ANGLE_BASIS *abp = get_basis(kbasis); |
432 |
< |
float (*XZarr)[2] = NULL; |
433 |
< |
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
434 |
< |
FILE *cfp[3]; |
435 |
< |
FVECT vin, vout; |
436 |
< |
double sum, xsum, ysum; |
437 |
< |
int i, j, n; |
438 |
< |
/* sanity check */ |
439 |
< |
if (abp->nangles > MAXPATCHES) { |
440 |
< |
fprintf(stderr, "%s: too many patches!\n", progname); |
441 |
< |
exit(1); |
442 |
< |
} |
443 |
< |
if (rbf_colorimetry == RBCtristimulus) |
444 |
< |
XZarr = (float (*)[2])malloc(sizeof(float)*2*abp->nangles*abp->nangles); |
445 |
< |
for (i = 0; i < abp->nangles; i++) { |
446 |
< |
RBFNODE *rbf; |
447 |
< |
if (input_orient > 0) /* use incident patch center */ |
448 |
< |
fi_getvec(vin, i+.5*(i>0), abp); |
449 |
< |
else |
450 |
< |
bi_getvec(vin, i+.5*(i>0), abp); |
431 |
> |
ANGLE_BASIS *abp = get_basis(kbasis); |
432 |
> |
float (*XZarr)[2] = NULL; |
433 |
> |
float bsdfarr[MAXPATCHES*MAXPATCHES]; |
434 |
> |
FILE *cfp[3]; |
435 |
> |
FVECT vin, vout; |
436 |
> |
double sum, xsum, ysum, normf; |
437 |
> |
int i, j, ni, no, nisamps, nosamps; |
438 |
> |
/* sanity check */ |
439 |
> |
if (abp->nangles > MAXPATCHES) { |
440 |
> |
fprintf(stderr, "%s: too many patches!\n", progname); |
441 |
> |
exit(1); |
442 |
> |
} |
443 |
> |
memset(bsdfarr, 0, sizeof(bsdfarr)); |
444 |
> |
if (rbf_colorimetry == RBCtristimulus) |
445 |
> |
XZarr = (float (*)[2])calloc(abp->nangles*abp->nangles, 2*sizeof(float)); |
446 |
> |
nosamps = (int)(pow((double)npsamps, 0.67) + .5); |
447 |
> |
nisamps = (npsamps + (nosamps>>1)) / nosamps; |
448 |
> |
normf = 1./(double)(nisamps*nosamps); |
449 |
> |
for (i = 0; i < abp->nangles; i++) { |
450 |
> |
for (ni = nisamps; ni--; ) { /* sample over incident patch */ |
451 |
> |
RBFNODE *rbf; |
452 |
> |
if (input_orient > 0) /* vary incident patch loc. */ |
453 |
> |
fi_getvec(vin, i+urand(ni), abp); |
454 |
> |
else |
455 |
> |
bi_getvec(vin, i+urand(ni), abp); |
456 |
|
|
457 |
< |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
457 |
> |
rbf = advect_rbf(vin, lobe_lim); /* compute radial basis func */ |
458 |
|
|
459 |
< |
for (j = 0; j < abp->nangles; j++) { |
460 |
< |
sum = 0; /* sample over exiting patch */ |
459 |
> |
for (j = 0; j < abp->nangles; j++) { |
460 |
> |
sum = 0; /* sample over exiting patch */ |
461 |
|
xsum = ysum = 0; |
462 |
< |
for (n = npsamps; n--; ) { |
462 |
> |
for (no = nosamps; no--; ) { |
463 |
|
SDValue sdv; |
464 |
|
if (output_orient > 0) |
465 |
< |
fo_getvec(vout, j+(n+frandom())/npsamps, abp); |
465 |
> |
fo_getvec(vout, j+(no+frandom())/nosamps, abp); |
466 |
|
else |
467 |
< |
bo_getvec(vout, j+(n+frandom())/npsamps, abp); |
467 |
> |
bo_getvec(vout, j+(no+frandom())/nosamps, abp); |
468 |
|
|
469 |
|
eval_rbfcol(&sdv, rbf, vout); |
470 |
|
sum += sdv.cieY; |
471 |
|
if (rbf_colorimetry == RBCtristimulus) { |
472 |
|
xsum += sdv.cieY * sdv.spec.cx; |
473 |
|
ysum += sdv.cieY * sdv.spec.cy; |
474 |
< |
} |
474 |
> |
} |
475 |
|
} |
476 |
< |
n = j*abp->nangles + i; |
477 |
< |
bsdfarr[n] = sum / npsamps; |
476 |
> |
no = j*abp->nangles + i; |
477 |
> |
bsdfarr[no] += sum * normf; |
478 |
|
if (rbf_colorimetry == RBCtristimulus) { |
479 |
< |
XZarr[n][0] = xsum*sum/(npsamps*ysum); |
480 |
< |
XZarr[n][1] = (sum - xsum - ysum)*sum/(npsamps*ysum); |
479 |
> |
XZarr[no][0] += xsum*sum*normf/ysum; |
480 |
> |
XZarr[no][1] += (sum - xsum - ysum)*sum*normf/ysum; |
481 |
|
} |
482 |
|
} |
483 |
< |
if (rbf != NULL) |
483 |
> |
if (rbf != NULL) |
484 |
|
free(rbf); |
483 |
– |
prog_show((i+1.)/abp->nangles); |
485 |
|
} |
486 |
< |
/* write out our matrix */ |
487 |
< |
cfp[CIE_Y] = open_component_file(CIE_Y); |
488 |
< |
n = 0; |
489 |
< |
for (j = 0; j < abp->nangles; j++) { |
490 |
< |
for (i = 0; i < abp->nangles; i++, n++) |
491 |
< |
fprintf(cfp[CIE_Y], "\t%.3e\n", bsdfarr[n]); |
492 |
< |
fputc('\n', cfp[CIE_Y]); |
493 |
< |
} |
494 |
< |
prog_done(); |
495 |
< |
if (fclose(cfp[CIE_Y])) { |
496 |
< |
fprintf(stderr, "%s: error writing Y output\n", progname); |
497 |
< |
exit(1); |
498 |
< |
} |
499 |
< |
if (XZarr == NULL) /* no color? */ |
500 |
< |
return; |
501 |
< |
cfp[CIE_X] = open_component_file(CIE_X); |
502 |
< |
cfp[CIE_Z] = open_component_file(CIE_Z); |
503 |
< |
n = 0; |
504 |
< |
for (j = 0; j < abp->nangles; j++) { |
505 |
< |
for (i = 0; i < abp->nangles; i++, n++) { |
506 |
< |
fprintf(cfp[CIE_X], "\t%.3e\n", XZarr[n][0]); |
507 |
< |
fprintf(cfp[CIE_Z], "\t%.3e\n", XZarr[n][1]); |
508 |
< |
} |
509 |
< |
fputc('\n', cfp[CIE_X]); |
510 |
< |
fputc('\n', cfp[CIE_Z]); |
511 |
< |
} |
512 |
< |
free(XZarr); |
513 |
< |
if (fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z])) { |
514 |
< |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
515 |
< |
exit(1); |
516 |
< |
} |
486 |
> |
prog_show((i+1.)/abp->nangles); |
487 |
> |
} |
488 |
> |
/* write out our matrix */ |
489 |
> |
cfp[CIE_Y] = open_component_file(CIE_Y); |
490 |
> |
no = 0; |
491 |
> |
for (j = 0; j < abp->nangles; j++) { |
492 |
> |
for (i = 0; i < abp->nangles; i++, no++) |
493 |
> |
fprintf(cfp[CIE_Y], "\t%.3e\n", bsdfarr[no]); |
494 |
> |
fputc('\n', cfp[CIE_Y]); |
495 |
> |
} |
496 |
> |
prog_done(); |
497 |
> |
if (fclose(cfp[CIE_Y])) { |
498 |
> |
fprintf(stderr, "%s: error writing Y output\n", progname); |
499 |
> |
exit(1); |
500 |
> |
} |
501 |
> |
if (XZarr == NULL) /* no color? */ |
502 |
> |
return; |
503 |
> |
cfp[CIE_X] = open_component_file(CIE_X); |
504 |
> |
cfp[CIE_Z] = open_component_file(CIE_Z); |
505 |
> |
no = 0; |
506 |
> |
for (j = 0; j < abp->nangles; j++) { |
507 |
> |
for (i = 0; i < abp->nangles; i++, no++) { |
508 |
> |
fprintf(cfp[CIE_X], "\t%.3e\n", XZarr[no][0]); |
509 |
> |
fprintf(cfp[CIE_Z], "\t%.3e\n", XZarr[no][1]); |
510 |
> |
} |
511 |
> |
fputc('\n', cfp[CIE_X]); |
512 |
> |
fputc('\n', cfp[CIE_Z]); |
513 |
> |
} |
514 |
> |
free(XZarr); |
515 |
> |
if (fclose(cfp[CIE_X]) || fclose(cfp[CIE_Z])) { |
516 |
> |
fprintf(stderr, "%s: error writing X/Z output\n", progname); |
517 |
> |
exit(1); |
518 |
> |
} |
519 |
|
} |
520 |
|
|
521 |
|
#if defined(_WIN32) || defined(_WIN64) |
523 |
|
static int |
524 |
|
wrap_up(void) |
525 |
|
{ |
526 |
< |
char cmd[8192]; |
526 |
> |
char cmd[32700]; |
527 |
|
|
528 |
|
if (bsdf_manuf[0]) { |
529 |
|
add_wbsdf("-f", 1); |
574 |
|
} |
575 |
|
#endif |
576 |
|
|
577 |
+ |
#define HEAD_BUFLEN 10240 |
578 |
+ |
static char head_buf[HEAD_BUFLEN]; |
579 |
+ |
static int cur_headlen = 0; |
580 |
+ |
|
581 |
+ |
/* Record header line as comment associated with this SIR input */ |
582 |
+ |
static int |
583 |
+ |
record2header(char *s) |
584 |
+ |
{ |
585 |
+ |
int len = strlen(s); |
586 |
+ |
|
587 |
+ |
if (cur_headlen+len >= HEAD_BUFLEN-6) |
588 |
+ |
return(0); |
589 |
+ |
/* includes EOL */ |
590 |
+ |
strcpy(head_buf+cur_headlen, s); |
591 |
+ |
cur_headlen += len; |
592 |
+ |
|
593 |
+ |
#if defined(_WIN32) || defined(_WIN64) |
594 |
+ |
if (head_buf[cur_headlen-1] == '\n') |
595 |
+ |
head_buf[cur_headlen-1] = '\t'; |
596 |
+ |
#endif |
597 |
+ |
return(1); |
598 |
+ |
} |
599 |
+ |
|
600 |
+ |
/* Finish off header for this file */ |
601 |
+ |
static void |
602 |
+ |
done_header(void) |
603 |
+ |
{ |
604 |
+ |
while (cur_headlen > 0 && isspace(head_buf[cur_headlen-1])) |
605 |
+ |
--cur_headlen; |
606 |
+ |
head_buf[cur_headlen] = '\0'; |
607 |
+ |
if (!cur_headlen) |
608 |
+ |
return; |
609 |
+ |
add_wbsdf("-C", 1); |
610 |
+ |
add_wbsdf(head_buf, 0); |
611 |
+ |
head_buf[cur_headlen=0] = '\0'; |
612 |
+ |
} |
613 |
+ |
|
614 |
|
/* Read in BSDF and interpolate as Klems matrix representation */ |
615 |
|
int |
616 |
|
main(int argc, char *argv[]) |
617 |
|
{ |
618 |
|
int dofwd = 0, dobwd = 1; |
619 |
< |
char buf[2048]; |
619 |
> |
char buf[1024]; |
620 |
|
char *cp; |
621 |
|
int i, na; |
622 |
< |
|
623 |
< |
progname = argv[0]; |
622 |
> |
/* set global progname */ |
623 |
> |
fixargv0(argv[0]); |
624 |
|
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
625 |
|
esupport &= ~(E_INCHAN|E_OUTCHAN); |
626 |
|
scompile("PI:3.14159265358979323846", NULL, 0); |
637 |
|
single_plane_incident = 0; |
638 |
|
break; |
639 |
|
case 'f': |
640 |
< |
if (!argv[i][2]) { |
640 |
> |
if ((argv[i][0] == '-') & !argv[i][2]) { |
641 |
|
if (strchr(argv[++i], '=') != NULL) { |
642 |
|
add_wbsdf("-f", 1); |
643 |
|
add_wbsdf(argv[i], 1); |
698 |
|
fprintf(stderr, "\tor 3 arguments using Dx,Dy,Dz: bsdf(ix,iy,iz)\n"); |
699 |
|
goto userr; |
700 |
|
} |
701 |
+ |
doptimize(1); /* optimize definitions */ |
702 |
|
++eclock; |
703 |
|
if (dofwd) { |
704 |
|
input_orient = -1; |
729 |
|
if (i < argc) { /* open input files if given */ |
730 |
|
int nbsdf = 0; |
731 |
|
for ( ; i < argc; i++) { /* interpolate each component */ |
691 |
– |
char pbuf[256]; |
732 |
|
FILE *fpin = fopen(argv[i], "rb"); |
733 |
|
if (fpin == NULL) { |
734 |
|
fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", |
735 |
|
progname, argv[i]); |
736 |
|
return(1); |
737 |
|
} |
738 |
+ |
sprintf(buf, "%s:\n", argv[i]); |
739 |
+ |
record2header(buf); |
740 |
+ |
sir_headshare = &record2header; |
741 |
|
if (!load_bsdf_rep(fpin)) |
742 |
|
return(1); |
743 |
|
fclose(fpin); |
744 |
< |
sprintf(pbuf, "Interpolating component '%s'", argv[i]); |
745 |
< |
prog_start(pbuf); |
744 |
> |
done_header(); |
745 |
> |
sprintf(buf, "Interpolating component '%s'", argv[i]); |
746 |
> |
prog_start(buf); |
747 |
|
eval_rbf(); |
748 |
|
} |
749 |
|
return(wrap_up()); |
750 |
|
} |
751 |
|
SET_FILE_BINARY(stdin); /* load from stdin */ |
752 |
+ |
record2header("<stdin>:\n"); |
753 |
+ |
sir_headshare = &record2header; |
754 |
|
if (!load_bsdf_rep(stdin)) |
755 |
|
return(1); |
756 |
+ |
done_header(); |
757 |
|
prog_start("Interpolating from standard input"); |
758 |
|
eval_rbf(); /* resample dist. */ |
759 |
|
return(wrap_up()); |